<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>提醒事项</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            background-color: #f5f5f5;
        }
        .todo-app {
            background-color: #fff;
            width: 300px;
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }
        .todo-header {
            background-color: #f9f;
            padding: 10px;
            text-align: center;
            font-size: 18px;
            color: white;
        }
        .todo-input {
            display: flex;
            padding: 10px;
            border-bottom: 1px solid #ddd;
        }
        .todo-input input {
            flex: 1;
            padding: 5px;
            border: 1px solid #ddd;
            border-radius: 4px;
        }
        .todo-input button {
            margin-left: 10px;
            padding: 5px 10px;
            background-color: #f9f;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            color: white;
        }
        .todo-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .todo-item {
            display: flex;
            justify-content: space-between;
            padding: 10px;
            border-bottom: 1px solid #ddd;
        }
        .todo-item button {
            background-color: #f9f;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            color: white;
            padding: 5px 10px;
        }
        .todo-item button.remove {
            background-color: #ff4d4d;
        }
    </style>
</head>
<body>
    <div class="todo-app">
        <div class="todo-header">提醒事项</div>
        <div class="todo-input">
            <input type="text" placeholder="内容">
            <button>添加</button>
        </div>
        <ul class="todo-list">
            <li class="todo-item">
                吃饭
                <button>下移</button>
                <button>上移</button>
                <button class="remove">删除</button>
            </li>
            <li class="todo-item">
                学习
                <button>下移</button>
                <button>上移</button>
                <button class="remove">删除</button>
            </li>
            <li class="todo-item">
                睡觉
                <button>下移</button>
                <button>上移</button>
                <button class="remove">删除</button>
            </li>
            <li class="todo-item">
                2305
                <button>下移</button>
                <button>上移</button>
                <button class="remove">删除</button>
            </li>
        </ul>
    </div>
</body>
</html>